English

Noun

adulting ‎(uncountable)

1. (nonstandard) adultery
   • 1953, Drummond, Isabel, The sex paradox, New York: Putnam, OCLC 643571043, page 240:

     The common law, like the Roman, viewed the crime from the standpoint of adulting the issue of the husband of the sexually straying wife, bringing upon him spurious offspring whom he might have to support and who might inherit his property; […]

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Verb

adulting

1. present participle of adult (maturation)
   • 2007, Humphries, Jane, “ 'Because they are too menny...' children, mothers, and fertility decline: the evidence from working-class autobiographies of the eighteenth and nineteenth centuries”, in Angélique Janssens, editor, Gendering the fertility decline in the Western world, Population, family, and society, volume 7, Bern [u.a.]: Peter Lang, ISBN 9783039113118, page 116:

     Trends in the relative costs of child rearing cannot be separated from the economic, social and cultural consequences of both the gendering and adulting of labour markets.

   • For more examples of usage of this term, see Citations:adulting.
2. present participle of adult (behavior)
   • 2010, Jedding, Kenneth, Higher education: on life, landing a job, and everything else they didn't teach you in college, Emmaus, PA: Rodale, ISBN 9781605296760, page 210:

     Then how about this: How about out-adulting the person who's driving you crazy. In other words, being the bigger adult.

   • For more examples of usage of this term, see Citations:adulting.